Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 2:34:05 PM (PST) on Wednesday, December 10, 2025.
The magnitude 1.7 event occurred 3 km (2 miles) ENE (76 degrees) of The Geysers, CA.
The hypocentral depth is -0.48 km (-0.30 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Wednesday, December 10, 2025 at 2:34:05 PM (PST) Wednesday, December 10, 2025 at 22:34:05 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) ENE (76 degrees) Cobb, CA - 4 km (3 miles) S (181 degrees) Middletown, CA - 10 km (6 miles) WNW (290 degrees) Hidden Valley Lake, CA - 15 km (9 miles) W (259 degrees) Lower Lake, CA - 17 km (11 miles) SW (215 degrees) |
| Coordinates | 38 deg. 47.0 min. N (38.784N), 122 deg. 43.4 min. W (122.724W) |
| Depth | -0.48 km (-0.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=16, Nph=16, Dmin=1.1 km, Rmss=0.11 sec, Erho=0.39 km, Erzz=0.779999971 km, Gp=143 degrees |
| Event ID# | nc75278016 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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